$NetBSD: patch-ad,v 1.2 2012/10/03 21:32:42 marino Exp $

This will sometimes help to avoid Segmentation Fault at
build time

--- lisp/cus-dep.el.orig	2012-08-23 05:33:42.000000000 +0000
+++ lisp/cus-dep.el
@@ -62,6 +62,7 @@ Usage: emacs -batch -l ./cus-dep.el -f c
             (unless (or (string-match custom-dependencies-no-scan-regexp file)
                         (string-match preloaded file)
                         (not (file-exists-p file)))
+	      (message file)
               (erase-buffer)
               (insert-file-contents file)
               (goto-char (point-min))